Funding for this research was provided by:
Regione Toscana (FESR 2014-2020 SISTER ?SIgnaling & Sensing Technologies in Railwayapplication?)
Horizon 2020 (Marie Sklodowska-Curie grant agreement No823788)
Received: 11 May 2020
Accepted: 24 January 2021
First Online: 12 February 2021
: The authors declare that they have no competing interests.